212244422152 has 64 divisors (see below), whose sum is σ = 455713632000. Its totient is φ = 90781295616.

The previous prime is 212244422149. The next prime is 212244422213. The reversal of 212244422152 is 251224442212.

It is a super-2 number, since 2×212244422152² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101599924 + ... + 101602012.

It is an arithmetic number, because the mean of its divisors is an integer number (7120525500).

Almost surely, 2^212244422152 is an apocalyptic number.

It is an amenable number.

212244422152 is an abundant number, since it is smaller than the sum of its proper divisors (243469209848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212244422152 is a wasteful number, since it uses less digits than its factorization.

212244422152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838 (or 4834 counting only the distinct ones).

The product of its digits is 20480, while the sum is 31.

Adding to 212244422152 its reverse (251224442212), we get a palindrome (463468864364).

The spelling of 212244422152 in words is "two hundred twelve billion, two hundred forty-four million, four hundred twenty-two thousand, one hundred fifty-two".